1-Propanesulfonic acid, 2-hydroxy-3-((4-hydroxy-2-butynyl)oxy)-, monosodium salt 35193-14-7 4-(2-Hydroxy-3-sulfopropoxy)-1-hydroxy-2-butyne, sodium salt EINECS 252-424-2 Sodium 2-hydroxy-3-((4-hydroxy-2-butynyl)oxy)propanesulphonate